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Dell Alienware m18 vs Samsung Galaxy Book4 Ultra

Updated Apr 2026laptops
Dell Alienware m18
Dell
Dell Alienware m18
$2,099
8.4/10
VS
Samsung Galaxy Book4 Ultra
Samsung
Samsung Galaxy Book4 Ultra
$2,400
8.3/10

The Verdict

Dell's Alienware m18 targets serious gamers and content creators with its massive 18-inch 165Hz display, beastly Intel Core i9-13980HX processor with 24 cores, and 32GB DDR5 RAM. The extra screen real estate (2560x1600) and 97Wh battery provide solid immersion and power for demanding workloads. Samsung's Galaxy Book4 Ultra takes a fundamentally different approach, prioritizing portability at 1.86kg versus Dell's 4.08kg, coupled with Samsung's vibrant 400-nit Dynamic AMOLED 2X panel (2880x1800) and exceptional 13-hour battery life. The newer Intel Core Ultra 9 185H processor with 16 cores is less powerful on paper but more efficient. Dell excels for gaming, video editing, and 3D rendering where that extra horsepower matters; Samsung wins for mobile professionals who actually carry laptops between locations and need all-day untethered work. The Galaxy Book4's superior display and battery longevity come at a $300 premium, while the Alienware's raw performance advantage justifies its lower price for workstation use. Choose Dell if your desk is permanent and performance is paramount. Choose Samsung if you value portability, display quality, and real-world battery endurance without gaming priorities.

ValueAlienware m18
BatteryBook4 Ultra
DisplayBook4 Ultra
PerformanceAlienware m18
portabilityBook4 Ultra

Who Should Buy

Buy the Dell Alienware m18 if…

  • Massive 18-inch QHD+ 165Hz display is immersive for gaming
  • RTX 4090 Laptop GPU option for desktop-class gaming performance
  • i9-13980HX is one of the fastest mobile processors available

Buy the Samsung Galaxy Book4 Ultra if…

  • Stunning 3K AMOLED 120Hz display with deep colors
  • Includes NVIDIA RTX 4050 or 4070 discrete GPU
  • Surprisingly thin and light for a 16-inch with dGPU

Category Scores

Dell Alienware m18
Samsung Galaxy Book4 Ultra
Value
8.1
7.6
Battery
6.2
9.0
Display
8.2
9.1
Performance
9.2
8.1
portability
5.8
9.4

Pros & Cons

Dell Alienware m18

Pros

  • Massive 18-inch QHD+ 165Hz display is immersive for gaming
  • RTX 4090 Laptop GPU option for desktop-class gaming performance
  • i9-13980HX is one of the fastest mobile processors available
  • Full-size keyboard with numpad and per-key RGB lighting
  • Excellent thermal design with Cryo-Tech cooling keeps temps in check

Cons

  • Almost 9 lbs — this is essentially a desktop replacement
  • 5-hour battery life means the charger is mandatory
  • Power brick is enormous and heavy
  • 300-nit display brightness is dim for a premium gaming laptop
  • Extremely expensive with high-end GPU configurations

Samsung Galaxy Book4 Ultra

Pros

  • Stunning 3K AMOLED 120Hz display with deep colors
  • Includes NVIDIA RTX 4050 or 4070 discrete GPU
  • Surprisingly thin and light for a 16-inch with dGPU
  • Tight integration with Samsung Galaxy ecosystem

Cons

  • Premium pricing rivals workstation laptops
  • Soldered RAM, only storage is upgradable
  • Speakers underwhelming versus MacBook competitors
  • Touchpad palm rejection occasionally inconsistent

Full Specifications

SpecDell Alienware m18Samsung Galaxy Book4 Ultra
SoftwareWindows 11 HomeWindows 11 Home
Body
Weight8.99 lbs (4.08 kg)1.86 kg
MaterialAluminum and magnesium alloyAluminum
Dimensions16.19 x 12.41 x 1.05 inches355.4 x 250.4 x 16.5 mm
Ports
HDMI1
USB-A ports31
USB-C ports22
SD card
Thunderbolt ports12
Battery
Battery lifeUp to 5 hoursUp to 13 hours
Capacity97 Wh76 Wh
Display
Size18 inches16 inches
TypeIPSDynamic AMOLED 2X touchscreen
Resolution2560 x 16002880 x 1800
Refresh rate165Hz120Hz
Brightness (nits)300400
Storage
SSD1 TB PCIe Gen 4 NVMe (dual slot)1 TB
Expandable storage
Keyboard
Backlit
Processor
RAM32 GB DDR516 GB LPDDR5X
Cores24 cores (8P + 16E)16 cores
ChipsetIntel Core i9-13980HX (13th Gen)Intel Core Ultra 9 185H

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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.

Explore more in laptops, see all Dell products or all Samsung products. View full details for the Dell Alienware m18 or the Samsung Galaxy Book4 Ultra.